/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDRigidsEvolution.h
const [TUniquePtr](API\Runtime\Core\Templates\TUniquePtr)< [FChaosPhysicsMaterial](API\Runtime\Chaos\Chaos\FChaosPhysicsMaterial) > & GetPerParticlePhysicsMaterial ( const [FGeometryParticleHandle](API\Runtime\Chaos\Chaos\FGeometryParticleHandle) * Particle ) const